1

Assuming I'm injecting a shellcode into a Windows GUI application, I know I could:

  • Gets kernel32.dll base address through the PEB (Process Environment Block);
  • Finds address of LoadLibrary;
  • Call LoadLibrary("user32.dll");
  • Finally call GetProcAddress.

This is the classic way and that's what I would do, however I'd like to know if there's a better/improved/faster/clever/different/smaller or simpler way to do this.

Any ideas?

3

If user32.dll is already loaded in the process's address space (and I assume it is given that you said it's a Windows GUI application), you can walk the PEB_LDR_DATA structure in order to find the base address of user32.dll:

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